At what point do you engage/remove an obnoxious fan?

[stiffler3492]

Taunting and racism come to mind. What I can't convey here is the tone he used. It was one that said, to me, hey your team sucks you all have no business being on the same court as our far superior team.

Before every game I've worked that has a PA announcer, an announcement is read that strongly encourages sportsmanship to all present. How can we justify their reading the statement if we're not willing to enforce it?